FIND_PATH(HELLO_INCLUDE_DIR hello.h /usr/include/hello /usr/local/include/hello)
FIND_LIBRARY(HELLO_LIBRARY NAMES hello PATH /usr/lib /usr/local/lib)
IF(HELLO_INCLUDE_DIR AND HELLO_LIBRARY)
   SET(HELLO_FOUND TRUE)
ENDIF(HELLO_INCLUDE_DIR AND HELLO_LIBRARY)
IF(HELLO_FOUND)
   IF(NOT HELLO_FIND_QUIETLY)
       MESSAGE(STATUS "Found Hello: ${HELLO_LIBRARY}")
   ENDIF(NOT HELLO_FIND_QUIETLY)
ELSE(HELLO_FOUND)
   IF(HELLO_FIND_REQUIRED)
      MESSAGE(FATAL_ERROR "Could not find hello library")
   ENDIF(HELLO_FIND_REQUIRED)
ENDIF(HELLO_FOUND)
